Battery box



FIG. 1 is a perspective view of a battery box showing my new design, the broken lines representing lights and a button are for illustrative purposes only and therefore form no part of the claimed design;

FIG. 2 is a top plan view of the battery box;

FIG. 3 is a front elevation view of the battery box;

FIG. 4 is a first side elevation view of the battery box;

FIG. 5 is a back elevation view of the battery box;

FIG. 6 is a second side elevation view of the battery box; and,

FIG. 7 is a bottom plan view of the battery box. 

The ornamental design for a battery box, as shown and described. 